<template>
    <div>
        <!-- 搜索栏 -->
        <el-card id="search">
            <el-row>
                <el-col :span="18">
                    <el-input placeholder="角色名" v-model="searchModel.roleName" clearable> </el-input>
                    <el-button @click="getRoleList" type="primary" icon="el-icon-search" round>查询</el-button>
                </el-col>
                <el-col :span="6" align="right">
                    <el-button @click="openEditUI(null)" type="primary" icon="el-icon-plus" circle></el-button>
                </el-col>
            </el-row>
        </el-card>

        <!-- 结果列表 -->
        <el-card>

            <el-table :data="roleList" stripe style="width: 100%">
                <el-table-column label="#" width="80">
                    <template slot-scope="scope">
                        {{ (searchModel.pageNo - 1) * searchModel.pageSize + scope.$index + 1 }}
                    </template>
                </el-table-column>
                <el-table-column prop="roleId" label="角色编号" width="180">
                </el-table-column>
                <el-table-column prop="roleName" label="角色名称" width="180">
                </el-table-column>
                <el-table-column prop="roleDesc" label="角色描述">
                </el-table-column>
                <el-table-column label="操作" width="180">
                    <template slot-scope="scope">
                        <el-button @click="openEditUI(scope.row.roleId)" type="primary" icon="el-icon-edit" circle
                            size="mini"></el-button>
                        <el-button @click="deleteRole(scope.row)" type="danger" icon="el-icon-delete" circle
                            size="mini"></el-button>
                    </template>
                </el-table-column>
            </el-table>

        </el-card>
        <el-pagination @size-change="handleSizeChange" @current-change="handleCurrentChange"
            :current-page="searchModel.pageNo" :page-sizes="[5, 10, 20, 50]" :page-size="searchModel.pageSize"
            layout="total, sizes, prev, pager, next, jumper" :total="total">
        </el-pagination>

        <!-- 对话框 -->
        <el-dialog @close="clearForm" :title="title" :visible.sync="dialogFormVisible" :close-on-click-modal="false">
            <el-form :model="roleForm" ref="roleFormRef" :rules="rules">
                <el-form-item prop="roleName" label="角色名称" :label-width="formLabelWidth">
                    <el-input v-model="roleForm.roleName" autocomplete="off"></el-input>
                </el-form-item>

                <el-form-item prop="roleDesc" label="角色描述" :label-width="formLabelWidth">
                    <el-input v-model="roleForm.roleDesc" autocomplete="off"></el-input>
                </el-form-item>
                <el-form-item prop="roleDesc" label="权限设置" :label-width="formLabelWidth">
                    <el-tree :data="menuList" :props="menuProps" node-key="menuId" ref="menuRef" show-checkbox style="width:85%"
                        default-expand-all></el-tree>
                </el-form-item>

            </el-form>

            <div slot="footer" class="dialog-footer">
                <el-button @click="dialogFormVisible = false">取 消</el-button>
                <el-button type="primary" @click="saveRole">确 定</el-button>
            </div>
        </el-dialog>
    </div>
</template>


<script>
import roleApi from '@/api/roleManage'
import menuApi from '@/api/menuManage'
export default {
    data() {

        return {
            menuList: [],
            menuProps: {
                children: 'children',
                label: 'title'
            },
            formLabelWidth: '130px',
            roleForm: {},
            dialogFormVisible: false,
            title: '',
            searchModel: {
                pageNo: 1,
                pageSize: 10
            },
            roleList: [],
            total: 0,
            rules: {
                roleName: [
                    { required: true, message: '请输入角色名称', trigger: 'blur' },
                    { min: 3, max: 50, message: '长度在 3 到 50 个字符', trigger: 'blur' }
                ]
            }
        }
    },
    methods: {
        getAllMenu() {
            menuApi.getAllMenu().then(response => {
                this.menuList = response.data;
            })

        },
        deleteRole(role) {
            this.$confirm(`您确定删除角色 ${role.roleName} ？`, '提示', {
                confirmButtonText: '确定',
                cancelButtonText: '取消',
                type: 'warning'
            }).then(() => {
                roleApi.deleteRoleById(role.roleId).then(response => {
                    this.$message({
                        type: 'success',
                        message: response.message
                    });
                    this.dialogFormVisible = false;
                    this.getRoleList();
                });

            }).catch(() => {
                this.$message({
                    type: 'info',
                    message: '已取消删除'
                });
            });
        },
        saveRole() {
            // 触发表单验证
            this.$refs.roleFormRef.validate((valid) => {
                if (valid) {
                    
                    let checkedKeys=this.$refs.menuRef.getCheckedKeys();
                    let halfCheckedKeys=this.$refs.menuRef.getHalfCheckedKeys();
                    this.roleForm.menuIdList=checkedKeys.concat(halfCheckedKeys);
                    
                    // 提交保存请求
                    roleApi.saveRole(this.roleForm).then(response => {
                        // 成功提示
                        this.$message({
                            message: response.message,
                            type: 'success'
                        });
                        // 关闭对话框
                        this.dialogFormVisible = false;
                        // 刷新表格数据
                        this.getRoleList();
                    });

                } else {
                    console.log('error submit!!');
                    return false;
                }
            });

        },
        clearForm() {
            this.roleForm = {};
            this.$refs.roleFormRef.clearValidate();
            this.$refs.menuRef.setCheckedKeys([]);
        },
        openEditUI(id) {
            if (id == null) {
                this.title = '新增角色';
            } else {
                this.title = '修改角色';
                roleApi.getRoleById(id).then(response => {

                    this.roleForm = response.data;
                    this.$refs.menuRef.setCheckedKeys(response.data.menuIdList)
                });
            }
            this.dialogFormVisible = true;
        },
        handleSizeChange(pageSize) {
            this.searchModel.pageSize = pageSize;
            this.getRoleList();
        },
        handleCurrentChange(pageNo) {
            this.searchModel.pageNo = pageNo;
            this.getRoleList();
        },
        getRoleList() {
            roleApi.getRoleList(this.searchModel).then(response => {
                this.roleList = response.data.rows;
                this.total = response.data.total;
            });
        }
    },
    created() {
        this.getRoleList();
        this.getAllMenu();
    }
};
</script>

<style>
#search .el-input {
    width: 200px;
    margin-right: 10px;
}

.el-dialog .el-input {
    width: 85%;
}
</style>